Fire Security Protection Alarm Sensor With Sonoff Rf Bridge App Remote Control

Features:
Support three alarms: independent sound & light flash alarm, wireless 433 transmission network alarm.
360 degrees smoke detection and alarm, no dead angle, reliable.
Built-in 90 dB sound and light alarm reminder, effectively prompting people to evacuate.
Adopt high-performance photoelectric two-way scattering patented technology of two-receiving.
One-transmitting and high-sensitivity sensing, stable, reliable, safe and accurate.
Ultra-low-power microcontroller + photoelectric principle technology.
Long standby life battery use for 3 years.
Low Voltage Alarm, When the battery voltage is lower than 6.8V
A warning sound is issued to remind the user to change the battery.
Full snap-in patented structure, simple installation, no need for debugging and wiring.
Convenient for cleaning and battery replacement.
Specifications:
Power Supply: DC 9V 6F22 Alkaline Battery
Standby Current: ?10uA
Alarm Current: ?100mA
Alarm Indication: Sound Alarm & LED Flash
Sound Level: 90dB/3M
Detecting Area: 20 Square Meter
Wireless Frequency: 433MHz
APP: EWE Link
Operating Temperature: -10°C ~+50°C
Operating Humidity: ?95% RH
Item Size: Approx. 10.5 * 10.5 * 3.5cm (L*W*H)
Package Size: Approx. 10.5*10.5*3.8cm / 4.1 * 4.1 * 1.5in
Weight: Approx. 120g / 4.2oz


Package includes:
1* Wireless Smoke Detector
1* User Manual (English)

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.